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/*
* Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
*/
package demos.es1.cubefbo;
import demos.es1.cube.Cube;
import javax.media.opengl.*;
import javax.media.opengl.util.FBObject;
import java.nio.*;
class FBCubes implements GLEventListener {
private static final int FBO_SIZE = 256;
public FBCubes () {
cubeOuter = new Cube(true, false);
fbo1 = new FBObject(FBO_SIZE, FBO_SIZE, FBObject.ATTR_DEPTH);
cubeInner = new Cube(false, true);
// JAU cubeMiddle = new Cube(true, false);
// JAU fbo2 = new FBObject(FBO_SIZE, FBO_SIZE);
}
public void init(GLAutoDrawable drawable) {
GL gl = drawable.getGL();
if(gl.isGLES2()) {
gl.getGLES2().enableFixedFunctionEmulationMode(GLES2.FIXED_EMULATION_VERTEXCOLORTEXTURE);
System.err.println("FBCubes Fixed emu: FIXED_EMULATION_VERTEXCOLORTEXTURE");
}
gl.glGetError(); // flush error ..
/*
if(gl.isGLES2()) {
GLES2 gles2 = gl.getGLES2();
// Debug ..
//DebugGLES2 gldbg = new DebugGLES2(gles2);
//gles2.getContext().setGL(gldbg);
//gles2 = gldbg;
// Trace ..
//TraceGLES2 gltrace = new TraceGLES2(gles2, System.err);
gles2.getContext().setGL(gltrace);
gl = gltrace;
}*/
fbo1.init(gl);
//fbo1.init(gl, GL.GL_RGB, GL.GL_RGB, GL.GL_UNSIGNED_BYTE); // faster
//fbo1.init(gl, GL.GL_RGBA, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE); // GLES2 default
//fbo1.init(gl, GL.GL_RGBA, GL.GL_RGBA, GL.GL_UNSIGNED_SHORT_5_5_5_1); // useless (1bit alpha)
//fbo1.init(gl, GL.GL_RGBA8, GL2.GL_BGRA, GL2.GL_UNSIGNED_INT_8_8_8_8_REV); // GL2 default
cubeInner.init(drawable);
cubeOuter.init(drawable);
}
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
cubeOuter.reshape(drawable, x, y, width, height);
}
float xRot=0f;
float yRot=0f;
public void rotate(float xRot, float yRot) {
this.xRot = xRot;
this.yRot = yRot;
}
public void display(GLAutoDrawable drawable) {
GL gl = drawable.getGL();
fbo1.bind(gl);
cubeInner.reshape(drawable, 0, 0, FBO_SIZE, FBO_SIZE);
cubeInner.display(drawable);
gl.glFinish();
fbo1.unbind(gl);
gl.glActiveTexture(GL.GL_TEXTURE0);
gl.glEnable (gl.GL_TEXTURE_2D);
cubeOuter.reshape(drawable, 0, 0, drawable.getWidth(), drawable.getHeight());
fbo1.use(gl);
cubeOuter.display(drawable);
fbo1.unbind(gl);
gl.glDisable (gl.GL_TEXTURE_2D);
// JAUFBObject tex = fbo1;
// JAU FBObject rend = fbo2;
/* JAU
int MAX_ITER = 1;
for (int i = 0; i < MAX_ITER; i++) {
rend.bind(gl);
gl.glEnable (gl.GL_TEXTURE_2D);
gl.glBindTexture(gl.GL_TEXTURE_2D, tex.getTextureName()); // to use it ..
cubeMiddle.reshape(gl, 0, 0, FBO_SIZE, FBO_SIZE);
cubeMiddle.display(gl, xRot, yRot);
gl.glBindTexture(gl.GL_TEXTURE_2D, 0);
gl.glDisable (gl.GL_TEXTURE_2D);
rend.unbind(gl);
FBObject tmp = tex;
tex = rend;
rend = tmp;
}
// System.out.println("display .. p6");
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT);
gl.glClearColor(0, 0, 0, 1);
gl.glEnable (gl.GL_TEXTURE_2D);
gl.glBindTexture(gl.GL_TEXTURE_2D, tex.getTextureName()); // to use it ..
cubeOuter.display(gl, xRot, yRot);
// System.out.println("display .. p7");
gl.glBindTexture(gl.GL_TEXTURE_2D, 0);
gl.glDisable (gl.GL_TEXTURE_2D);
*/
}
public void displayChanged(javax.media.opengl.GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {
}
float time = 0.0f;
Cube cubeInner=null;
// JAU Cube cubeMiddle=null;
Cube cubeOuter=null;
FBObject fbo1;
// JAU FBObject fbo2;
}
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